add sp26 staff hours (#664)

Co-authored-by: Eric Gu <eric.gu@berkeley.edu>

Author: BNH440

configs/staff_hours.yaml

@@ -26,20 +26,18 @@
 
 staff-hours:
   Monday:
-     #- time: ['11:00', '12:00']
-     #  staff: ["sbwilliams"]
   Tuesday:
-     #- time: ['12:00', '14:00']
-     #  staff: ["sbwilliams"]
+   - time: ['14:00', '16:00']
+     staff: ["ericgu"]
   Wednesday:
-     #- time: ['11:00', '12:00']
-     #  staff: ["sbwilliams"]
+   - time: ['12:00', '14:00']
+     staff: ["ericgu"]
   Thursday:
-     #- time: ['12:00', '14:00']
-     #  staff: ["sbwilliams"]
+   - time: ['14:00', '16:00']
+     staff: ["ericgu"]
   Friday:
-     #- time: ['13:30', '15:30']
-     #  staff: ["sbwilliams"]
+   - time: ['12:00', '14:00']
+     staff: ["ericgu"]
   Saturday:
   Sunday: